Era
Revolution, 1775-1783
15
Civil War, 1861-1865
10
19th century
9
Colonial period, ca. 1600-1775
6
1732-1799
5
18th century
4
1775-1865
3
20th century
3
1739-1812
2
17th century
2
1809-1849
2
French and Indian War, 1754-1763
2
1640?-[1723?]
1
1706 or 1707-1761
1
1706-1790
1
1738-
1
1743-1826
1
1745-1796
1
1745-1825
1
1749-1809
1
1751-1836
1
1754-1763
1
1754-1763 (Guerre de Sept Ans)
1
1760-1831
1
1761-1849
1
1770-1838
1
1774-1809
1
1781-1862
1
1783-1865
1
1784-1864
1
1795-1847
1
1800-1899
1
1803-1881
1
1806-1891
1
1807-1882
1
1809-1865
1
1822-1913
1
1837-1863
1
1845-1921
1
1847-1913
1
1848-1907
1
1870-1937
1
1873-1956
1
1882-1945
1
1892-1973
1
1898-1981
1
1903-1979
1
1927-
1
1951-1980
1
1969-
1
more ...